NUTTINES Motorcycles Race Track Set gives you extreme stimulated action experience. This motorcycle race track set is easy to assemble, this trackset made of high quality material, and very durable. Two motorcycles run up a steep hill and slides down to a race course that is full of sharp turns. Bikes perform a stunt trick flipping in full circles 3 times in a row! Kids can control how fast the motorcycle goes up by turning the handle. The gauge shows the speed!